package com.xizi.秋招笔试.aqiyi;

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        final Scanner scanner = new Scanner(System.in);
        int n = scanner.nextInt();
        for (int i = 1; i <= n; i++) {
            System.out.print("0" + i);
        }
    }


}